Kyungcumber is the nickname of a very talented young Korean rapper from South Korea who is also in a band called BLOCK B.
He earned the nickname "Kyungcumber" because he has a very long face, Jaehyo of BLOCK B also said he looked like a cucumber therefore BBC began calling him by the name of Kyungcumber.

He said he would prefer to be called "Carrot" but BBC didn't like "Kyungcarrot" as much as "Kyungcumber" so we refuse to call him by that.

Kyungcumber has gained a few fanpages on twitter, facebook and even tumblr and has a very loyal fanbase with an unofficial name of "pickles".